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Revert "Allow NU_LIBS_DIR and friends to be const" (#8501)

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Reverts nushell/nushell#8310

In anticipation that we may want to revert this PR. I'm starting the
process because of this issue.

This stopped working
```
let-env NU_LIB_DIRS = [
    ($nu.config-path | path dirname | path join 'scripts')
    'C:\Users\username\source\repos\forks\nu_scripts'
    ($nu.config-path | path dirname)
]
```
You have to do this now instead.
```
const NU_LIB_DIRS = [
    'C:\Users\username\AppData\Roaming\nushell\scripts'
    'C:\Users\username\source\repos\forks\nu_scripts'
    'C:\Users\username\AppData\Roaming\nushell'
]
```

In talking with @kubouch, he was saying that the `let-env` version
should keep working. Hopefully it's a small change.
This commit is contained in:
Darren Schroeder
2023-03-17 09:33:24 -05:00
committed by GitHub
parent eb2e2e6370
commit ef7fbf4bf9
13 changed files with 116 additions and 264 deletions
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38
crates/nu-cmd-lang/src/core_commands/overlay/use_.rs
View File

@ -1,4 +1,4 @@
use nu_engine::{eval_block, find_in_dirs_env, get_dirs_var_from_call, redirect_env, CallExt};
use nu_engine::{eval_block, find_in_dirs_env, redirect_env, CallExt};
use nu_parser::trim_quotes_str;
use nu_protocol::ast::{Call, Expr};
use nu_protocol::engine::{Command, EngineState, Stack};
@ -66,24 +66,23 @@ impl Command for OverlayUse {
let mut name_arg: Spanned<String> = call.req(engine_state, caller_stack, 0)?;
name_arg.item = trim_quotes_str(&name_arg.item).to_string();
let maybe_origin_module_id =
if let Some(overlay_expr) = call.get_parser_info("overlay_expr") {
if let Expr::Overlay(module_id) = overlay_expr.expr {
module_id
} else {
return Err(ShellError::NushellFailedSpanned {
msg: "Not an overlay".to_string(),
label: "requires an overlay (path or a string)".to_string(),
span: overlay_expr.span,
});
}
let maybe_origin_module_id = if let Some(overlay_expr) = call.parser_info_nth(0) {
if let Expr::Overlay(module_id) = overlay_expr.expr {
module_id
} else {
return Err(ShellError::NushellFailedSpanned {
msg: "Missing positional".to_string(),
label: "missing required overlay".to_string(),
span: call.head,
msg: "Not an overlay".to_string(),
label: "requires an overlay (path or a string)".to_string(),
span: overlay_expr.span,
});
};
}
} else {
return Err(ShellError::NushellFailedSpanned {
msg: "Missing positional".to_string(),
label: "missing required overlay".to_string(),
span: call.head,
});
};
let overlay_name = if let Some(name) = call.opt(engine_state, caller_stack, 1)? {
name
@ -114,12 +113,7 @@ impl Command for OverlayUse {
// Evaluate the export-env block (if any) and keep its environment
if let Some(block_id) = module.env_block {
let maybe_path = find_in_dirs_env(
&name_arg.item,
engine_state,
caller_stack,
get_dirs_var_from_call(call),
)?;
let maybe_path = find_in_dirs_env(&name_arg.item, engine_state, caller_stack)?;
let block = engine_state.get_block(block_id);
let mut callee_stack = caller_stack.gather_captures(&block.captures);